public class Demo1 {
    public static void main(String[] args) throws InterruptedException {
        Thread t = new Thread(() -> {
           while(!Thread.currentThread().isInterrupted()) {
               System.out.println("hello Thread");
               try {
                   Thread.sleep(1000);
               } catch (InterruptedException e) {
                    break;
               }
           }
        },"test");

        t.start();

        Thread.sleep(2000);
        t.interrupt();

        Thread.sleep(2000);
        System.out.println(t.isAlive());
    }
}
